Support Multiple Allocations for the Same Resource, within Same Group Resource Profile

[yasithdev]

When there's two allocations for the same resource, (e.g., allocation-cpu and allocation-gpu), currently there's no way to add two allocations for the same resource. Only ways to workaround this right now are:

1. create TWO resources for the same resource (e.g., AnvilCPU and AnvilGPU), add cpu queues on the cpu resource, and gpu queues on the gpu resource, and define the allocations respectively.
2. create two group resource profiles for cpu and gpu, and configure them separately. then when running, give --group to differentiate between CPU and GPU.

To remove this limitation, we should be able to add multiple allocations to the same resource.